Collaborative Occultation
Resources and Archive
CORA
Occultations | Observations | Reports | Info + Credits | JOA | Admin | Login

Stellar Occultation by (486018) 2012 SQ23 on 2024-10-31 (21:20:57 UT)

CTU: Cross-track uncertainty (zero means: use the nominal prediction value, see event details below). Offsets and CTU all in mas.


Event Details
 Occultation UUID [and db] : 97a77ac0-ddb5-11f0-547e-892af7fdd627 [observed]

 Occultation Date + Time   : 2024-10-31 at 21:20:57 UT +/- 0.1 min  [1]
 Object Designation        : (486018) 2012 SQ23
 Star Designation          : GDR3 2538981706716283264
 Star Coordinates (ICRF)   : RA = 01 00 30.3770, DE = +01 42 04.907  [2]
 Star Magnitudes           : G = 13.14 mag, RP = 12.66 mag, BP = 13.46 mag
 Object Magnitude          : V = 20.95 mag
 Estimated Magnitude Drop  : 7.8 mag
 Estimated Max. Duration   : 0.3 sec
 Speed of the shadow       : 15.4 km/s
 Object Mean Diameter      : 5.2 km  (src: astorb) => apparent = 2 mas
 Apparent Motion           : 0.3183 arcs/min @ PA = 229 deg
 Horizontal Parallax       : 2.2040 arcs
 Dynamical Class           : JTRO
 Elongation to Moon & Sun  : 161° (sunlit = 0%), Sun = 155°
 Cross-track uncertainty   : 19.3 mas = 55 km = 10.74 path-width (1-sig)
 RUWE and duplicate source : 0.98 mas, dup.src = 0  (0:false, 1:true)

 Ephemeris Reference       : JPL#27
 Note                      : FP:true

 
 [1] time t0 of closest geocentric approach c/a, [2] including proper motion until t0


More Data and Informations
SiMDA | 3D Asteroid Catalogue | Johnston Archive | Star at CDS (Vizier) | JPL Small-Body Node | Minor Planet Center | Wikipedia
(If error 404: link not valid which means no data available)


Interactive map

Download KMZ file

Aladin Sky Atlas
Aladin Lite direct link (has Gaia overlay)